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Number   :  8683
Date     :  2004-09-08
Author   :  Garry Deane
Subject  :  Re: copy a specific directory and its contents
Size(KB) :  2


--- In xxcopy@yahoogroups.com, "jayahr00"  wrote:
> As I noted above (in the misplaced response), your suggestion
> worked fine in testing. When I put it into production, I came
> across a slight wrinkle. The source parameter you suggested,
> \*%1\ for selecting mydocu~1 etc, works great in selecting
> directories with namelength=8 (as an aside, it works fine
> whether \*%1\ or \%1*\ is used). When a dirname of less
> than 8 is used, i.e. \*dir1\, this technique selects all
> directories whose name contains dir1, i.e. xxdir1 in addition
> to dir1. Any suggestions on how I can force a comparison at
> pos1 only, or of any padding character I can use that 
> would select dir1 only and not xxdir1. Thanks again for
> your help.

Hmm, yes. I was was thinking about LFNs and hadn't thought
about normal SFNs. The only thing that quickly springs to
mind is to check whether the passed directory name includes
a ~ character indicating a LFN. Something like:

set src=\*%1\
set dst=\backup\
echo %1 | find "~" > nul
if errorlevel 1 set src=\%1\
if errorlevel 1 set dst=\backup\%1\

Unfortunately this won't work if you pass a directory path
which starts with a SFN but has a LFN later in the path like
dir1\longdi~1. This would end up as \*dir1\longdi~1\. It
would also fail if you have any directories with ~ in the
name which are SFNs e.g. \dir~name\

If this is unsuitable, other than using a utility, I can only
think of passing the long file name from your calling batch
without quotes then reconstructing the LFN path from the
passed parameters e.g.

call yourbat.bat Program Files\Common Files

:: Yourbat.bat
set src=%1
:Parse
if "%2"=="" goto done
shift
set src=%src% %1
goto Parse
:Done
set dst="\backup\%src%\"
set src="\%src%\"

Note that this too would fail in the unlikely case of paths
with multiple side-by-side spaces.

If this is no good either, you'd need to look at whether
you can change your parameters in the calling batch to
include the * when appropriate.

> Jay. P.S. Sorry to address you and burden you with this..
> Since this is a group I thought someone else might jump in
> and share the load.

No problem. It's just that we're both in similar time zones.
Most of the group are fast asleep at the moment. Since I'll
be away for a few days, they'll get an free run for a while
but you'll have a bigger lag between Q and A.

Garry



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